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Related papers: GHaFaS: Galaxy Halpha Fabry-Perot Spectrometer for…

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An important step in the planning of future gravitational-wave (GW) detectors and of the networks they will form is the estimation of their detection and parameter-estimation capabilities, which is the basis of science-case studies. Several…

The Simons Observatory is a ground-based telescope array located at an elevation of 5200 meters, in the Atacama Desert in Chile, designed to measure the temperature and polarization of the cosmic microwave background. It comprises four…

We present the goals and preliminary results of an unbiased, near-infrared, narrow-band imaging survey of the First Galactic Quadrant (10deg<l<65deg ; -1.3deg<b<+1.3deg). This area includes most of the Giant Molecular Clouds and massive…

Astrophysics of Galaxies · Physics 2015-05-20 D. , Froebrich , C. J. , Davis , G. , Ioannidis , T. M. , Gledhill , M. , Takami , A. , Chrysostomou , J. , Drew , J. , Eislöffel , A. , Gosling , R. , Gredel , J. , Hatchell , K. W. , Hodapp , M. S. N. , Kumar , P. W. , Lucas , H. , Matthews , M. G. , Rawlings , M. D. , Smith , B. , Stecklum , W. P. , Varricatt , H. T. , Lee , P. S. , Teixeira , C. A. , Aspin , T. , Khanzadyan , J. , Karr , H. -J. , Kim , B. -C. , Koo , J. J. , Lee , Y. -H. , Lee , T. Y. , Magakian , T. A. , Movsessian , E. H. , Nikogossian , T. S. , Pyo , T. , Stanke

The Hubble Deep Field South (HDFS) has been recently selected and the observations are planned for October 1998. We present a high resolution (FWHM $\simeq 14$ \kms) spectrum of the quasar J2233--606 ($z_{em}\simeq2.22$) which is located…

Astrophysics · Physics 2009-10-30 Sandra Savaglio

Fabry-Perot interferometers have advantages over slit spectrographs because they allow fast narrow-band imaging and post-factum image reconstruction of spectropolarimetric data. Temperature, plasma velocity, and magnetic field maps can be…

Instrumentation and Methods for Astrophysics · Physics 2013-03-14 Klaus G. Puschmann , Horst Balthasar , Svend-Marian Bauer , Thomas Hahn , Emil Popow , Thomas Seelemann , Reiner Volkmer , Manfred Woche , Carsten Denker

Precise measurements of gas kinematics in the disk of a spiral galaxy can be used to estimate its mass distribution. The Southern African Large Telescope (SALT) has a large collecting area and field of view, and is equipped with a…

Astrophysics of Galaxies · Physics 2015-06-23 Carl J. Mitchell , T. B. Williams , Kristine Spekkens , K. Lee-Waddell , Rachel Kuzio de Naray , J. A. Sellwood

The Wisconsin H-Alpha Mapper (WHAM) has completed a one-degree resolution, velocity-resolved northern sky survey of H-alpha emission from our Galaxy. The unprecedented sensitivity of the instrument and accurate spectral subtraction of…

Astrophysics · Physics 2007-05-23 G. J. Madsen , L. M. Haffner , R. J. Reynolds

We have realized a fiber-based Fabry-Perot cavity with CO2 laser-machined mirrors. It combines very small size, high finesse F>=130000, small waist and mode volume, and good mode matching between the fiber and cavity modes. This combination…

Due to its simultaneous deep imaging and integral field spectroscopic capability, an Imaging Fourier Transform Spectrograph (IFTS) is ideally suited to the Next Generation Space Telescope (NGST) mission, and offers opportunities for…

Astrophysics · Physics 2007-05-23 James R. Graham

During 2010-2011, the Medicina 32-m dish hosted the 7-feed 18-26.5 GHz receiver built for the Sardinia Radio Telescope, with the goal to perform its commissioning. This opportunity was exploited to carry out a pilot survey at 20 GHz over…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 S. Righini , E. Carretti , R. Ricci , A. Zanichelli , K. -H. Mack , M. Massardi , I. Prandoni , P. Procopio , R. Verma , M. López-Caniego , L. Gregorini , F. Mantovani

Over the last 20 years Hubble Space Telescope Fine Guidance Sensor interferometric astrometry has produced precise and accurate parallaxes of astrophysical interesting stars and mass estimates for stellar companions. We review parallax…

Solar and Stellar Astrophysics · Physics 2016-12-14 G. Fritz Benedict , Barbara E. McArthur , Edmund P. Nelan , Thomas E. Harrison

A revolution in radio receiving technology is underway with the development of densely packed phased arrays for radio astronomy. This technology can provide an exceptionally large field of view, while at the same time sampling the sky with…

Instrumentation and Methods for Astrophysics · Physics 2016-03-03 S. A. Torchinsky , A. O. H. Olofsson , B. Censier , A. Karastergiou , M. Serylak , P. Renaud , C. Taffoureau

We present the prototype telescope for the Next Generation Transit Survey, which was built in the UK in 2008/09 and tested on La Palma in the Canary Islands in 2010. The goals for the prototype system were severalfold: to determine the…

In the summer of the year 2000, a NASA Small Explorer satellite, the High Energy Solar Spectroscopic Imager (HESSI), will be launched. It will consist of nine large, coaxial germanium detectors viewing the Sun through a set of Rotation…

Astrophysics · Physics 2007-05-23 D. M. Smith , R. P. Lin , J. McTiernan , A. S. Slassi-Sennou

The coronagraphic instrument currently proposed for the WFIRST-AFTA mission will be the first example of a space-based coronagraph optimized for extremely high contrasts that are required for the direct imaging of exoplanets reflecting the…

The Low Frequency Instrument (LFI) is one of the two instruments onboard the ESA PLANCK satellite foreseen to be launched in 2007. The LFI will image the Cosmic Microwave Background (CMB) anisotropies and the polarization in four different…

The QUIJOTE Experiment was developed to study the polarization in the Cosmic Microwave Background (CMB) over the frequency range of 10-50 GHz. Its first instrument, the Multi Frequency Instrument (MFI), measures in the range 10-20 GHz which…

Instrumentation and Methods for Astrophysics · Physics 2019-10-24 Javier De Miguel-Hernández , Roger J. Hoyland , María F. Gómez Reñasco , J. Alberto Rubiño-Martín , Teodora A. Viera-Curbelo

The Fermi Gamma-Ray Space Telescope, successfully launched on June 11th, 2008, is the next generation satellite experiment for high-energy gamma-ray astronomy. The main instrument, the Fermi Large Area Telescope (LAT), with a wide field of…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Christine Meurer

GRBAlpha is a 1U CubeSat launched in March 2021 to a sun-synchronous LEO at an altitude of 550 km to perform an in-orbit demonstration of a novel gamma-ray burst detector developed for CubeSats. VZLUSAT-2 followed ten months later in a…